Check if torch is available in iOS

svprdga · Nov 30, 2021 · d26fef8 · d26fef8
1 parent 113faff
commit d26fef8
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Showing 2 changed files with 17 additions and 2 deletions.
diff --git a/example/ios/Podfile.lock b/example/ios/Podfile.lock
@@ -14,9 +14,9 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/torch_light/ios"
 
 SPEC CHECKSUMS:
-  Flutter: 434fef37c0980e73bb6479ef766c45957d4b510c
+  Flutter: 50d75fe2f02b26cc09d224853bb45737f8b3214a
   torch_light: 682062fa12102172fa38b6b14c106d93b060f83e
 
 PODFILE CHECKSUM: aafe91acc616949ddb318b77800a7f51bffa2a4c
 
-COCOAPODS: 1.10.1
+COCOAPODS: 1.11.2
diff --git a/ios/Classes/SwiftTorchLightPlugin.swift b/ios/Classes/SwiftTorchLightPlugin.swift
@@ -6,6 +6,9 @@ public class SwiftTorchLightPlugin: NSObject, FlutterPlugin {
 
     // Constants
 
+    let nativeEventIsTorchAvailable = "torch_available"
+    let errorIsTorchAvailable = "torch_available_error"
+
     let nativeEventEnableTorch = "enable_torch"
     let errorEnableTorchExistentUser = "enable_torch_error_existent_user"
     let errorEnableTorch = "enable_torch_error"
@@ -26,6 +29,9 @@ public class SwiftTorchLightPlugin: NSObject, FlutterPlugin {
 
     public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
         switch(call.method) {
+        case self.nativeEventIsTorchAvailable:
+            isTorchAvailable(result: result)
+            return
         case self.nativeEventEnableTorch:
             enableTorch(result: result)
             return
@@ -39,6 +45,15 @@ public class SwiftTorchLightPlugin: NSObject, FlutterPlugin {
 
     // Private methods
 
+    private func isTorchAvailable(result: FlutterResult) {
+        guard let device = AVCaptureDevice.default(for: .video) else {
+            result(FlutterError(code: self.errorIsTorchAvailable, message: "Could not determine if the device has a torch, please make sure that you are doing this on a real device.", details: nil))
+            return
+        }
+
+        result(device.hasTorch)
+    }
+
     private func enableTorch(result: FlutterResult) {
         guard let device = AVCaptureDevice.default(for: .video) else {
             result(FlutterError(code: self.errorEnableTorch, message: "Could not enable torch, please make sure that you are doing this on a real device", details: nil))